Finding the Fourth Proportional to 8,781,336.63, 12,117,659.02 and 4,860,827.48
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Solution
The fourth proportional to 8,781,336.63, 12,117,659.02 and 4,860,827.48 is: 6,707,617.81
Step by Step Solution
- Step 1: Write the proportion equation
8,781,336.63 : 12,117,659.02 = 4,860,827.48 : x - Step 2: Convert to fraction form
8,781,336.63/12,117,659.02 = 4,860,827.48/x - Step 3: Cross multiply
8,781,336.63x = 12,117,659.02 × 4,860,827.48 - Step 4: Simplify right side
8,781,336.63x = 58,901,849,975,827.95 - Step 5: Solve for x
x = 58,901,849,975,827.95/8,781,336.63 - Step 6: Final answer
x = 6,707,617.81
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.